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Micro-ATX motherboard with black PCB, silver heatsinks and rear I/O shield

MSI

MSI MAG B850M GAMING PRO MAX WIFI AMD motherboard

SKU CH-0562-7KSNT

Micro-ATX board for AM5 Ryzen 9000, 8000 and 7000 CPUs with DDR5 8200 MT/s support, 8+2+1 60A power phases, PCIe 5.0, Gen5 M.2, 5G LAN and Wi-Fi 7

  • CPU socketAM5
  • ChipsetAMD B850
  • Ready for AMD Ryzen 9000, 8000 and 7000 series CPUs on AM5 socket
  • Dual-channel DDR5 memory overclocked to 8200 MT/s for high bandwidth
  • 8+2+1 phase 60A power delivery with 8+4-pin CPU connectors
  • PCIe 5.0 slots and Gen 5 x4 M.2 for fast GPU and storage
  • 5G Ethernet and Wi-Fi 7 with plug-and-play antenna for quick networking

AM5 socket DDR5 motherboard

This MSI MAG B850M GAMING PRO MAX WIFI motherboard uses the AMD B850 chipset and AM5 socket. It supports Ryzen 9000, 8000 and 7000 series desktop processors. Dual-channel DDR5 memory runs up to 8200 MT/s when overclocked. The board includes 5G LAN, Wi-Fi 7 and a front-panel USB Type-C connection.

8+2+1 phase 60A power delivery

An 8+2+1 phase design with 60A per phase replaces simpler 4+2 or 6+2 layouts found on entry B-series boards. The 8+4-pin CPU power connector and 6-layer server-grade PCB with 2oz copper make the jump worthwhile when pairing high-wattage Ryzen CPUs or pushing sustained all-core loads. PCIe 5.0 slots and a Gen 5 x4 M.2 socket add bandwidth headroom for next-generation GPUs and SSDs.

Tool-free M.2 and GPU release

Second-generation tool-free M.2 Frost Armor and quick-release clips let you install or swap drives without screws. A quick-release GPU latch simplifies graphics card removal in tight micro-ATX cases. The plug-and-play Wi-Fi antenna attaches magnetically. Remember to connect both 8-pin and 4-pin CPU power cables; omitting the 4-pin can limit boost behaviour on heavy workloads.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $240.99
Typical for this category: the median of 1,906 items is $224.49.

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Specifications

Product
Brand nameMSI
Model nameMAG B850M GAMING PRO MAX WIFI
Processor
CPU socketAM5
ChipsetAMD B850

Questions about this item

What CPU socket does the MAG B850M GAMING PRO MAX WIFI use?

The board uses the AM5 socket for AMD Ryzen 9000, 8000 and 7000 series processors.

How do I install an M.2 SSD without tools?

The second-generation tool-free M.2 Frost Armor lets you press the drive into place and secure it with a built-in latch — no screws required.

Will the MOSFET thermal pads need replacement later?

The 7W/mK thermal pads are designed for long-term use; replacement is only needed if they degrade physically or thermal performance drops noticeably.

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